Photographic camera



Patented Sept. 10, 1935 I i UNITED STATES PATENT oFFicEy PHOTOGBAPHIC CAMERA Reinhold Klar, Dresden-A, Germany, assignor to the irm: Zeiss Ikon Aktiengesellschaft, Dresden, Germany Application February 7, 1934, Serial No. 710,149

, In Germany December 1, 1932 In order to render possible a highly accurate rigidly connected with the camera and provided fine-adjustment of the objective of a photowith a telescope, as just described, it is immagraphic camera without the necessity to observe terial whether the movable part of the distance a ground glass-plate or an equivalent for the meter is to be moved from the objective or its same, photographic cameras have already been mounting or whether a, separate adjusting memj rigidly connected with a distance meter, but in ber for the distance meter is provided. order to obviate an unnecessary enlargement of The invention is illustrated diagrammatically the camera casing and to accommodate the disand by way of example on the accompanying tance meter to the dimensions of the camera, drawing on which Figure 1 is a rear view of a, there then arises the necessity to make the length combined photographic camera and distance lo of the basis comparativelyy short. However, with meter designed according to this invention. and a short basisA of the distance meter the accurate- Figure 2 is a plan of the same, partly` in horiness ofthe adjustment is comparatively slight. zontal section. On the drawing, I denotes the A Way to increase the measuring exactness of camera, casingand 2 the distance meter which is the distance meter is this, to magnify the picrigidly connected with said casing, 2 is the peep 15 tures produced with the aid of the distance meter aperture of the camera., and 3 a Galllean-teleand t0 arrange fOr this DUIIJOSB a teleSCODe in scope attached to the distance meter in front of front of the peep aperture of the distance meter. seid aperture More precisely, the telescope is A twofold optic magnification yields, for instance, attached to a, slide 5 which is Shiftable between the same increase'of the measuring accuracy as gui-des 5 amxed to the distance meter', Means zo the doubling of the basis of the distance meter. (not shown) are provided for the ne adjust Any desired telescope may be employed for the ment of the Said telescope.

purpose in view, but preferably a Galilean-tele- I claim, scope will be used because of its simple construc- 1. In combination a photographic camera cas tion' ing, a basis distance meter attached theretoA a 25 The telescope may be arranged in front of the s e n means ada ted for attachin said peep aperture of the distance meter also in such sgge ndfront of theppeep aperture o said a manner that it can be detached from the same distane meten and exchanged for another one. It is in such a 2 In combination a Y photomphic camera case possible to adjust the telescope in such a 30 manner, for instance by shoving the telescope ca'smg a' basis dlstance meter attached thereto lenses towards one another, that defects of the lateral guidesanfanged in front o f the peep eyes of the user of the camera, as for instance aperture 0f s a'ld dfstance meter a' Shde adapted short-sightedness or long-sightedness, are comt0 engag sind guides' and a telescope attached pensated. to the said slide. 85

When making use of a distance meter which is REINHOLD KLAR. 

